Nancy Lanza Not a Teacher?  —  There have been a lot of factual errors in the chaotic rush to get details about today's shooting in Connecticut.  But one fact that seemed established across the board was that victim Nancy Lanza, the mother of alleged shooter Adam Lanza …

Column: Gun-free zones provide false sense of security  —  Killers aren't stopped by these policies.  —  STORY HIGHLIGHTS  —  “After a shooting spree,” author William Burroughs once said, “they always want to take the guns away from the people who didn't do it.”

McCarthy: I will embarrass Obama on gun control  —  In the wake of the deadly Connecticut school shooting, Rep. Carolyn McCarthy said she has warned the White House “the gloves are off” if President Obama fails to act on the issue.  —  McCarthy (D-N.Y.), the foremost gun control advocate in Congress …

Source: Obama has chosen John Kerry as Secretary of State  —  President Barack Obama has chosen Sen. John Kerry of Massachusetts to be the next secretary of state, a source has told Sun-Times columnist Michael Sneed.  —  His replacement as head of the Senate Foreign Relations Committee …

IPCC Admission Has Climate World Buzzing  —  Global warming hysteria has been driven largely by the United Nations' Intergovernmental Panel on Climate Change, which has issued four politically-driven and, in crucial ways, inconsistent reports.  The IPCC is now working on report number five, and the current draft has been leaked.

A Political Brawler, Now Battling for Microsoft  —  SEATTLE — Mark Penn made a name for himself in Washington by bulldozing enemies of the Clintons.  Now he spends his days trying to do the same to Google, on behalf of its archrival Microsoft.  —  Since Mr. Penn was put in charge of …

Most Governors Refuse to Set Up Health Exchanges  —  WASHINGTON — The Obama administration said Friday that more than half the states had rejected its pleas to set up their own health insurance exchanges, dealing a setback to President Obama's hopes that Republicans would join a White House campaign …

A Thought Experiment Related to School Shootings  —  Imagine that you ran a school district, and some rich foundation, worried about school shootings, gave you the following offer: We'll hire armed security guards for you, who could try to do something about the school shooter.

Baby talk triggered NFL player Jovan Belcher's rage, leading to murder-suicide: sources  —  The Long Island mother of Kansas City Chiefs football player Jovan Belcher told investigators her son argued with his girlfriend Kasandra Perkins over their baby's paternity before he shot her dead and killed himself, The Post has learned.